PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Natural resources such as gas, oil, and water residing in a subterranean formation can be recovered by drilling wells into the formation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au